Timothy Holahan, MD
Geriatric Medicine (Internal Medicine) Physician · Rochester, NY
Timothy Holahan, MD is a geriatric medicine (internal medicine) physician with a practice address in Rochester, New York, and NPI 1346483930, issued on Apr 12, 2009. Check the license (New York 270286, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Timothy Holahan
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 270286 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1000 South Ave # 58, Rochester, NY 14620
- Phone
- (585) 341-0456
- Enumerated
- Apr 12, 2009
- Record last updated
- Aug 23, 2024
- Fax
- (585) 341-8096
- Medicare enrollment
- Enrolled (PECOS I20140620000879); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2009
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Also registered at 1000 South Ave # 58
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dmitriy Migdalovich, M.D.Geriatric Medicine (Internal Medicine) Physician1942543269
- Kristina Moule, RPA-CMedical Physician Assistant1891969309
- Krupa Shah, M.D.Family Medicine Physician1609978253
Verify Timothy Holahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 270286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,170 Medicare Part D claims for 81 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium147 claims
- Mirtazapine98 claims
- Gabapentin92 claims
- Levothyroxine Sodium83 claims
- Trazodone Hcl83 claims
- Torsemide80 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Highland Hospital OF RochesterRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Holahan among 508 geriatric medicine (internal medicine) physician records in New York
Timothy Holahan, MD is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.
- NPI issued2009 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2009 · median 1998 among the 272 with a school on file
- Record last updated2024 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in Rochester → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Asma Bawaney, MDRochester, NY 146201205871084
- Seema Dahake, MDRochester, NY 146201477525749
- Susan Friedman, MDRochester, NY 146201962445809
- Geria Furtuna, MDRochester, NY 146201184646952
- William Hall, MDRochester, NY 146201174630933
- Amy Mason, M.D.Rochester, NY 146201780688358
- Robert McCann, M.D.Rochester, NY 146201639133853
- Kevin McCormick, MDRochester, NY 146201720185358
Common questions
What is Timothy Holahan, MD's NPI number?
Timothy Holahan, MD's National Provider Identifier (NPI) is 1346483930, issued on Apr 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Holahan, MD located?
The NPPES record lists a practice address at 1000 South Ave # 58, Rochester, NY, 14620. Phone: (585) 341-0456. Providers update this record themselves, so call before visiting.
How can I verify Timothy Holahan, MD's license?
NPPES lists New York license number 270286, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy Holahan, MD prescribe under Medicare Part D?
In 2024, Timothy Holahan, MD had 2,170 Medicare Part D claims for 81 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Timothy Holahan, MD's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.